Good post DQ. 10 years has given so-minded folks ample time to develop a concise summary of iron-clad facts to stand in stark comparisson with the official story.
Be this as it may it goes without saying that the biggest obstacle is basically the same as it ever was; media mogul's unswerving dedication to being absent from such lists of so-minded folks :(
The latter part of the vid that discusses the psychological barriers to widespread acceptance of 911's hard facts really puts the situation in plain sight.